4-Methoxycarbonylphenylboronic acid → HCID 86680686, compound

Participants

Reaction Steps

This compound was prepared from tert-butyl 3-((diphenoxyphosphoryl)oxy)-6,7-dihydro-1,4-oxazepine-4(5H)-carboxylate and (4-methoxycarbonylphenyl)boronic acid according to the procedure described above in Example 2 (Step 3). The product was isolated as a white solid (41% yield); 1H-NMR (CDCl3) 1.11 (7H, s), 1.61 (2H, s), 2.16-2.18 (2H, m), 3.93-4.22 (7H, m), 6.32 (1H, s), 7.29-7.32 (2H, m), 7.97 (2H, d); MS ES(+) 278.1 (M+-tBu).

Provenance & Evidence